package edu.uc.labs.MobilePrinting.Fetch;

import edu.uc.labs.MobilePrinting.Configurator;
import java.io.*;
import java.net.ConnectException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Scanner;
import org.apache.log4j.Logger;

/**
 * 
 * This class sends data to the Server and receives an XML formated list of
 * Printers
 * 
 * @param server
 *            the IPAddress or DNS name of the server
 * @param ipAddress
 *            the IPAddress to send to the server
 */
public class XMLFetcher {

	private String input = "";
	private String resource = "/mobileprint.pl?ip=";
	private String os = "&os=";
	private String url, server, ip;
	private URL u;
	private URLConnection conn;
	private Configurator conf = new Configurator();
	private Logger logger = conf.getLogger();

	public XMLFetcher(String iServer, String iAddress, String osName)
			throws MalformedURLException, IOException {
		server = iServer;
		ip = iAddress;
		os += osName;
		connect();
	}

	public String getResponse() {
		return input;
	}

	public boolean isConnected() {
		return true;
	}

	public void connect() throws IOException, ConnectException {
		buildURL();
		logger.debug("The URL to send: " + u.toString());
		conn = u.openConnection();
		InputStream instream = conn.getInputStream();
		Scanner in = new Scanner(instream);

		while (in.hasNextLine()) {
			input += in.nextLine() + "\n";
		}

	}

	public void buildURL() throws MalformedURLException {
		// Build the URL
		url = "http://" + server + resource + ip + os;
		u = new URL(url);
	}

	public void setIP(String newIP) {
		ip = newIP;
	}

}
